In addition to add text, image or media objects to a PDF document, we can also markup in the file to provide feedback, write down something important or highlight, that includes circling something in the PDF.

There are free web apps emphasize simplicity and convenience, also there are professional PDF programs feature powerful tools to let you circle something in PDF on your Mac or Windows machine. Here we have 6 options for you, just pick the one that works the best on your operating system.

With Pro Apps: Circle Something in PDF with Acrobat or Foxit

Take these 2 apps, which will help you create, edit, export, share PDFs and more. They make PDFs the easiest thing to work with in your office.

1.Adobe Acrobat

To begin, you will need a PDF app where you can dive into PDFs as freely as you can. We are sure that you will like Adobe Acrobat, with its rich features, straightforward interface and great cloud integration.

Acrobat has earned a strong reputation as a PDF editor, but it works just as well as a PDF markup tool, including adding circle in PDF, redline PDF. If you decide to have a try on Acrobat, here are the steps to circle something in PDF with Acrobat:

  1. Get the free 7-day trial of Adobe Acrobat, install and fire up the app on your machine.
  2. Open the PDF in Acrobat, head to Comment pdf adobe 1
  3. Head to Drawing Tools>Oval, move your mouse pointer and drag an oval over the contents you want to circle in pdf adobe 2
  4. Right click the circle and set the properties or pdf adobe 3
  5. Click Close and hit Save button to keep the changes in your pdf adobe 4


Foxit is one of the most popular PDF editor apps with good reason. This comprehensive tool includes basic and advanced features you will need for your PDFs, but provides a unique interface & streamline that set it apart from Adobe Acrobat.

If you want to try Foxit, here are the steps to circle something in PDF without Acrobat:

  1. Get a free copy of Foxit PDF editor, install and run the app.
  2. Open the PDF in Foxit, go to Comment ribbon.
  3. Choose circle and move your mouse to drag over a circle over the contents in your PDF.
  4. Head to Comment Format to choose line color, width, opacity and so on.
  5. Hit Save button.

With Free Apps: Circle Something in PDF with Mac Preview or Windows

Don’t want to give your money to Adobe or Foxit. Free native apps that built right into your operating system is your next-best option.

1. Preview for Mac

You don’t have to buy a separate program to circle in PDF on your Mac. Preview provides Mac users with a lot of markup tools, here is how:

  1. Open PDF in Preview.
  2. Click Markup pdf preview 1
  3. Go to Shapes>Circle, draw a circle over the contents in your pdf preview 2
  4. Adjust the shape style or border color for the pdf preview 3
  5. Head to File>Save.

2. Microsoft Edge for Windows

Anyone on a Windows machine has access to the browser Microsoft Edge, it is a a handy tool to view, rotate, draw, highlight and erase PDF. It is slick and easy to use. Here is how you can circle something in PDF free on Windows:

  1. Right click PDF to open in Microsoft Edge.
  2. Head to the Draw in the toolbar, choose the color and line pdf windows 1
  3. Then use your mouse to draw a circle over the contents in your PDF.
  4. Hit Save button.

With Online Free Tools: Circle Something in PDF Using Web Browser

If the above options aren’t doing it for you, following free tools are ones that we also really like, they allow users to circle in PDF just with a web browser opened. This free PDF editor has 30+ tools, it is one of those a few online PDF editors to add/change texts in PDF. Draw a circle in PDF with this tool can be done easily, but patience is needed when processing the file online. This tool focus on form filling, which lets users to fill out PDF form, add interactive form fields. This app has a lot of tools too, but the editing feature is limited at the basic level. Its Converter is way much better than the editor.

Steps to circle something in PDF are more or less the similar, here is the example in Sejda:

  1. Navigate to the website in your web browser, upload the pdf online 1
  2. Head to Shapes, choose Ellipse, draw a circle on the contents in your pdf online 2
  3. Use the options to change border line, border color or background pdf online 3
  4. Apply the changes and download the PDF to your device.

You Can Use Your Machine

First, to check out the native free apps in your operating system, like Preview for Mac, or Microsoft Edge for Windows. They are perfectly viable for circling in your PDFs. However, if you want smarter one that more than just marking up a PDF, Acrobat and Foxit has the free trial for you to evaluate.